The dangerous islets and lowlands integrated by Lobeira Grande and Pequeña and by the two Carrumeiros motivate the construction project of the fourth-order lighthouse of Lobeira Island, besides serving as an aid to navigation when the fog conceals the light of Finisterre Lighthouse.

The project was initially commissioned to Antonio Herbella in 1904 but it will be the engineer Salvador López Miño who realizes the final project giving a solution to the interior distribution considered as one of the best of the Galician lighthouses.

Its ignition takes place in 1909 with a range of 14 miles. In 1924 it is automated and more recently its range is modified to 9 miles happening to be considered like beacon.

Curiosities, myths and legends

On November 12, 1890, the English merchant "Derwentwater" due to the state of the sea and the reigning enclosure encroached on the stones of Lobeira Chica. He sailed from Greece to England with 850 tons of grain and varied fruit.

Things of the destination to very few kilometers wrecked on the same date the "Serpent" also of English nationality, throwing to the beach of the Thirteen the corpses of 172 youngsters of the ship-school of S.MB.